Malware Analysis Report

2024-08-06 14:39

Sample ID 240524-krml2sbf9x
Target 81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
SHA256 81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3
Tags
modiloader trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3

Threat Level: Known bad

The file 81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe was found to be: Known bad.

Malicious Activity Summary

modiloader trojan

ModiLoader, DBatLoader

ModiLoader Second Stage

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-24 08:50

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-24 08:50

Reported

2024-05-24 08:52

Platform

win7-20240220-en

Max time kernel

140s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3064 set thread context of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3064 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 2916 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Windows\SysWOW64\WerFault.exe
PID 2916 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Windows\SysWOW64\WerFault.exe
PID 2916 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Windows\SysWOW64\WerFault.exe
PID 2916 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

"C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe"

C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

"C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 120

Network

N/A

Files

memory/2916-2-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2916-4-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2916-5-0x0000000000400000-0x000000000043C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-24 08:50

Reported

2024-05-24 08:52

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3192 set thread context of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe
PID 3192 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

Processes

C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

"C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe"

C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe

"C:\Users\Admin\AppData\Local\Temp\81d7e9b17f9a1122b2dab1920b4174316656dbbc9504ac35d1202727de5ee4e3.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4944 -ip 4944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 296

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3696 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.253.64:443 tcp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 77.239.69.13.in-addr.arpa udp

Files

memory/4944-2-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4944-4-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4944-5-0x0000000000400000-0x000000000043C000-memory.dmp